ChessDB is a free open-source chess database for Windows, Linux, Mac OSX and most UNIX and UNIX-like operating systems. ChessDB is based on code from Scid http://scid.sourceforge.net/ - a project for which there have been no updates for several years. In

MyPhone is Voice&Video IP Telephony Chat client.
It is H323 protocol compatible, based on OpenH323 project (www.openh323.org).
Client is written in VC++, using MFC/PWLib libraries, compatible with any reasonable M$Windows version. Freeware&OpenSource